Zach Teitler and Douglas A. Torrance.
Castelnuovo-Mumford regularity and arithmetic Cohen-Macaulayness of complete bipartite subspace arrangements.
JPAA
219
(2015),
no. 6,
2134-2138
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arXiv:
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https://arxiv.org/abs/1209.2075
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doi:
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10.1016/j.jpaa.2014.07.027